need help factoring2

Question

w²v+5v-4w²-20

Answer 1

w^2v+5v-4w^2-20

rearrange the terms

w^2v-4w^2+5v-20

(w^2v-4w^2)+(5v-20)

factor each set of parentheses

w^2(v-4)+5(v-4)

(v-4) is a common factor

(v-4)(w^2+5)